NISSAN TD27 Engine valve guide 1)Material:4Cr10Mo, brass or powder metallergy 2)OEM and sample service 3)ISO 9001:2000 NISSAN TD27 ... Engine valve guide Our factory can offer ... 9001:2000 ISO/TS Certificate5)We also offer engien valve guide for ISUZU, HINO, NISSAN, TOYOTA, HONDA, MITSUBISHI, SUZUKI, LEXUS, MAZDA ...